F28 support for Broadcom BCM4322?

After my trusty ThinkPad W700 failed I've been forced to fall back to an
ancient Dell E6500 laptop with Broadcom BCM4322 WiFi. Apparently Fedora 28
Workstation doesn't support that chipset. I'm forced to drag around a
<long> Ethernet cable. No matter what I try, I cannot enable WiFi.

Any suggestions?

Robert G. (Doc) Savage
Fairview Heights, IL

"Perfection is the enemy of good enough."
          -- Admiral of the Fleet Sergei G. Gorshkov